"Each question contains a clue to a "big word" and clues to the smaller words within: "Handset"(5),"Foster"(4),"Single Unit"(3)The answer is PHONE, i.e., Phone, hone, one. Write ONLY the long word as the answer, not the words contained within."

-1.Encroaching on the land of another (11) - An NFL Quarterback's specialty (7) - Perform Music (4)

-2.A Gift (7) - Feel Annoyance (6) - Mailed/Posted (4)

-3.Leading a committee (8) - Broadcasting (6) - Hand jewelry (4)

-4.Accuse a public official of wrongdoing (7) - A Type of Fruit (5) - Pro rata (4)